669241603239 has 32 divisors (see below), whose sum is σ = 990221172480. Its totient is φ = 398613676800.

The previous prime is 669241603237. The next prime is 669241603243. The reversal of 669241603239 is 932306142966.

It is a happy number.

It is not a de Polignac number, because 669241603239 - 2¹ = 669241603237 is a prime.

It is a super-2 number, since 2×669241603239² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 669241603191 and 669241603200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (669241603237) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7112379 + ... + 7205859.

It is an arithmetic number, because the mean of its divisors is an integer number (30944411640).

Almost surely, 2^669241603239 is an apocalyptic number.

669241603239 is a deficient number, since it is larger than the sum of its proper divisors (320979569241).

669241603239 is a wasteful number, since it uses less digits than its factorization.

669241603239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97231.

The product of its (nonzero) digits is 2519424, while the sum is 51.

The spelling of 669241603239 in words is "six hundred sixty-nine billion, two hundred forty-one million, six hundred three thousand, two hundred thirty-nine".